AirHint found the following cheapest return flights from Charleroi (CRL) to Keflavik (KEF) in May 2026 (see full year).

Return flights

15 May - 20 May	Ryanair
09 May - 19 May	Wizz Air
14 May - 19 May	Ryanair
03 May - 12 May	Ryanair
03 May - 10 May	Wizz Air
26 May - 28 May	Ryanair
02 May - 16 May	Wizz Air
10 May - 20 May	Wizz Air
03 May - 09 May	Ryanair
01 May - 16 May	Ryanair
30 May - 19 Jun	Ryanair
28 May - 01 Jun	Ryanair
31 May - 08 Jun	Wizz Air
28 May - 21 Jun	Ryanair
28 May - 02 Jun	Ryanair

Also check the deals for one-way flights from Charleroi to Keflavik in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Charleroi to Keflavik in May from 255€

Return flights